package servlets;

import ejb.facades.TripFacadeLocal;
import entities.Trip;
import entities.User;
import java.io.IOException;
import javax.ejb.EJB;
import javax.inject.Inject;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import sessions.IUserAccountSession;
import util.BreadCrumbItem;
import util.Script;
import util.Validator;

/**
 * Trabalho PD - 2014/2015
 *
 * @author a21210380 a21210392
 */
@WebServlet("/tripinformation.html")
public class TripInformationServlet extends ServletBase {
    
     private final static BreadCrumbItem[] BREAD_CRUMB_ITEMS = {
        new BreadCrumbItem("/Trabalho_PD/homepage.html", "Homepage", false),
        new BreadCrumbItem("/Trabalho_PD/tripinformation.html", "Trip", true)};
    
    private final static Script[] EXTRA_SCRIPTS = { 
        new Script("resources/js/webserviceboleias.js", true), 
        new Script("resources/js/customjs/tripinformation.js", true),
        new Script("resources/js/webserviceemail.js", true)};

    @Inject
    private IUserAccountSession userAccountSession;

    @EJB
    private TripFacadeLocal tripFacade;

    public TripInformationServlet() {
        super("Trip", BREAD_CRUMB_ITEMS, null, EXTRA_SCRIPTS);
    }

    @Override
    protected void onGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        if (userAccountSession.isVisitor()) {
            callJsp(JSP_NOT_AUTHORIZED, req, resp);
            return;
        }
        String parameter = req.getParameter("id");
        if (parameter == null) {
            callJsp(JSP_INVALID_ARGUMENTS, req, resp);
            return;
        }
        Integer parseInt = Validator.parseInt(parameter);
        if (parseInt == null) {
            callJsp(JSP_INVALID_ARGUMENTS, req, resp);
            return;
        }

        Trip find = tripFacade.find(parseInt);
        if (find != null) {
            req.setAttribute("trip", find);
            req.setAttribute("car", find.getVehicle());
            User user = userAccountSession.getUser();
            if (user != null) {
                req.setAttribute("loggedUser", user);
            }
        }
        callJsp(JSP_TRIP_INFORMATION, req, resp);
    }

    @Override
    protected void onPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        if (userAccountSession.isVisitor()) {
            callJsp(JSP_NOT_AUTHORIZED, req, resp);
            return;
        }
        String parameter = req.getParameter("id");
        if (parameter == null) {
            callJsp(JSP_INVALID_ARGUMENTS, req, resp);
            return;
        }
        Integer parseInt = Validator.parseInt(parameter);
        if (parseInt == null) {
            callJsp(JSP_INVALID_ARGUMENTS, req, resp);
            return;
        }

        Trip find = tripFacade.find(parseInt);
        if (find != null) {
            req.setAttribute("trip", find);
            req.setAttribute("car", find.getVehicle());
            User user = userAccountSession.getUser();
            if (user != null) {
                req.setAttribute("loggedUser", user);
            }
        }
        callJsp(JSP_TRIP_INFORMATION, req, resp);
    }
}
